<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>R: Purchasing Power Parity and other parity relationships</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" type="text/css" href="R.css" />
</head><body>

<table width="100%" summary="page for Parity"><tr><td>Parity</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>Purchasing Power Parity and other parity relationships</h2>

<h3>Description</h3>

<p>A panel of 104 quarterly observations from 1973Q1 to 1998Q4
</p>


<h3>Format</h3>

<p>A data frame containing :
</p>

<dl>
<dt>country</dt><dd><p>country codes: a factor with 17 levels</p>
</dd>
<dt>time</dt><dd><p>the quarter index, 1973Q1-1998Q4</p>
</dd>
<dt>ls</dt><dd><p>log spot exchange rate vs. USD</p>
</dd>
<dt>lp</dt><dd><p>log price level</p>
</dd>
<dt>is</dt><dd><p>short term interest rate</p>
</dd>
<dt>il</dt><dd><p>long term interest rate</p>
</dd>
<dt>ld</dt><dd><p>log price differential vs. USA</p>
</dd>
<dt>uis</dt><dd><p>U.S. short term interest rate</p>
</dd>
<dt>uil</dt><dd><p>U.S. long term interest rate</p>
</dd> </dl>


<h3>Details</h3>

<p><em>total number of observations</em> : 1768
</p>
<p><em>observation</em> : country
</p>
<p><em>country</em> : OECD
</p>


<h3>Source</h3>

<p>Coakley J, Fuertes A, Smith R (2006).
&ldquo;Unobserved heterogeneity in panel time series models.&rdquo;
<em>Computational Statistics \&amp; Data Analysis</em>, <b>50</b>(9), 2361&ndash;2380.
</p>


<h3>References</h3>

<p>Coakley J, Fuertes A, Smith R (2006).
&ldquo;Unobserved heterogeneity in panel time series models.&rdquo;
<em>Computational Statistics \&amp; Data Analysis</em>, <b>50</b>(9), 2361&ndash;2380.
</p>
<p>Driscoll JC, Kraay AC (1998).
&ldquo;Consistent covariance matrix estimation with spatially dependent panel data.&rdquo;
<em>Review of economics and statistics</em>, <b>80</b>(4), 549&ndash;560.
</p>


</body></html>
